Home / 50,738.10-70,010.40-31,861.86

Finding the Fourth Proportional to 50,738.10, 70,010.40 and 31,861.86

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Solution

The fourth proportional to 50,738.10, 70,010.40 and 31,861.86 is: 43,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,738.10 : 70,010.40 = 31,861.86 : x
  2. Step 2: Convert to fraction form
    50,738.10/70,010.40 = 31,861.86/x
  3. Step 3: Cross multiply
    50,738.10x = 70,010.40 × 31,861.86
  4. Step 4: Simplify right side
    50,738.10x = 2,230,661,563.34
  5. Step 5: Solve for x
    x = 2,230,661,563.34/50,738.10
  6. Step 6: Final answer
    x = 43,964.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.